Quartz Tubes For Metal Halide Lamps

I. Application

High-quality metal halide lamps, discharge lamps, germicidal lamps, etc.

II. Product Features

Produced from high purity imported sand or domestically produced high purity sand, with high transmittance in the ultraviolet and infrared regions, very few surface lines and air bubbles, and extremely low OH(OH can be controlled below 0.5ppm) can extend lamp life.

III. Product Type

PQ181A/N,Quartz tubes for metal halide lamps

IV. Typical Size

OD RangeODToleranceWallThicknessWTToleranceOut ofRound Siding Bow
3<Ф≤10±0.11~2.0±15%2%12%0.15%
10<Ф≤20±0.21~2.5±15%1.25%12%0.15%
20<Ф≤30±0.251.5~3.0±15%1.25%12%0.15%
30<Ф≤40±0.351.5~4.0±15%1.25%12%0.15%
40<Ф≤50±0.42.0~4.0±15%1.25%12%0.15%
50<Ф≤60±0.52.5~5.0±15%1.25%12%0.15%

V. Physical and Chemical Properties

i. Mechanical and Thermal Properties

Density(20℃kg/m3Thermal Expansion(200-300℃℃-1 Softening Point(℃)Annealing Point(℃) Strain Point(℃)
2.2*1035.6*10-7167012101110

ii. Impurity Value

ImpurityNaKMgLiCaFeAlTiCu
Typicalvalue 0.8 0.9 0.5 0.7 0.8 0.5 16.2 1.2 0.05

iii. OH Content

Typical Value without BakingAfter baking
160<0.5, <1

iv. Optical Properties

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